Littelfuse Inc.
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V250LA2PX2855

V250LA2PX2855

Product Overview

Category

The V250LA2PX2855 belongs to the category of electronic components, specifically metal oxide varistors (MOVs).

Use

It is used as a voltage-dependent resistor to protect electrical circuits from overvoltage transients.

Characteristics

  • High energy absorption capability
  • Fast response time
  • Wide operating temperature range
  • RoHS compliant

Package

The V250LA2PX2855 is typically available in a disc-shaped package with leads for easy integration into circuit boards.

Essence

The essence of the V250LA2PX2855 lies in its ability to safeguard sensitive electronic equipment from voltage spikes and surges.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Allowable Voltage: 250V
  • Energy Rating: 85J
  • Peak Current (8/20μs): 6500A
  • Operating Temperature Range: -40°C to 85°C
  • Capacitance: 1000pF

Detailed Pin Configuration

The V250LA2PX2855 typically has two leads for connection to the circuit. The pin configuration is as follows: 1. Lead 1: Connected to the anode side of the varistor 2. Lead 2: Connected to the cathode side of the varistor

Functional Features

  • Clamping of transient overvoltages
  • Dissipation of surge energy
  • Protection of downstream components

Advantages

  • Reliable protection against voltage surges
  • Fast response time
  • Wide operating temperature range

Disadvantages

  • Limited lifespan after multiple surge events
  • Can degrade over time with exposure to repeated surges

Working Principles

The V250LA2PX2855 operates based on the principle of nonlinear resistance, where its resistance decreases as the voltage across it increases. This allows it to divert excess current away from sensitive components during overvoltage events.

Detailed Application Field Plans

The V250LA2PX2855 is commonly used in various applications, including: - Power supplies - Telecommunications equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the V250LA2PX2855 include: - V130LA20AP - V320LA20AP - V420LA20AP - V510LA20AP

In conclusion, the V250LA2PX2855 is a crucial component in protecting electronic circuits from voltage surges and transients, offering reliable performance and essential safety features.

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Énumérez 10 questions et réponses courantes liées à l'application de V250LA2PX2855 dans les solutions techniques

  1. What is the maximum voltage rating of V250LA2PX2855?

    • The maximum voltage rating of V250LA2PX2855 is 250V AC.

  2. What is the maximum surge current capability of V250LA2PX2855?

    • V250LA2PX2855 has a maximum surge current capability of 10,000A.

  3. What is the operating temperature range for V250LA2PX2855?

    • The operating temperature range for V250LA2PX2855 is -40°C to +85°C.

  4. What is the typical capacitance of V250LA2PX2855?

    • The typical capacitance of V250LA2PX2855 is 110pF.

  5. Is V250LA2PX2855 suitable for overvoltage protection in power supplies?

    • Yes, V250LA2PX2855 is suitable for overvoltage protection in power supplies.

  6. Can V250LA2PX2855 be used in surge protection for telecommunications equipment?

    • Yes, V250LA2PX2855 can be used in surge protection for telecommunications equipment.

  7. What is the response time of V250LA2PX2855?

    • The response time of V250LA2PX2855 is less than 25 nanoseconds.

  8. Does V250LA2PX2855 meet industry safety standards?

    • Yes, V250LA2PX2855 meets UL1449 and IEC 61000-4-5 standards for surge protection devices.

  9. What is the recommended mounting method for V250LA2PX2855?

    • V250LA2PX2855 is typically surface mounted on a PCB using appropriate soldering techniques.

  10. Is V250LA2PX2855 RoHS compliant?

    • Yes, V250LA2PX2855 is RoHS compliant, meeting environmental regulations.